Hi,
Personally, I would avoid Java for hardware handling - in my experience
this is tricky and very hardware specific.
Sascha, is this for a Unix type machine or under windows? If under
Unix/Linux, it should not be particularly difficult to send characters
and receive characters in C
z - qda(train, cl)
save(z, file = qda.dat)
load(qda.dat)
predict(qda.dat, test)$class
I'm trying to save z where z -qda(train, cl) and load z for later use in predict(z,
test)$class.
I think I successfully saved z by save(z, file = qda.dat) but when I tried to load
by load(qda.dat) and
call
You have to escape (=\\) such special characters, e.g.
strsplit(abc(d)(e), split=\\()
or put them in brackets (matches sets of characters)
strsplit(abc(d)(e), split=[(])
if you think that is more readable. Similar for gsub(), grep(),
regexpr() and friends.
Henrik Bengtsson
-Original
Jean Eid wrote:
Dear All,
I have been trying to scan data from pdf files and use R to seperate them.
The following will make it clear
I have a line that reads
Intrepid (D) 15,977 11,956 45,143 39,014
where what is in the parenthesis is either a D for domestic or I for
import.
I want to try to
Kwang Kim wrote:
z - qda(train, cl)
save(z, file = qda.dat)
load(qda.dat)
predict(qda.dat, test)$class
I'm trying to save z where z -qda(train, cl) and load z for later use in predict(z,
test)$class.
I think I successfully saved z by save(z, file = qda.dat) but when I tried to load
by
Thanks to Rolph Turner and Jason Turner ...
I guess I was too excited about getting back on the list after an absense of
several years ... I'll be a little more thoughtful about the problem before
posting next time, and a little less trigger-happy with the Send e-mail
button.
Never-the-less,
On Sat, 15 Nov 2003 19:41:29 -0500, you wrote:
Can someone tell me what an object of class lm returned by lm means? I
assumed it mean the regression model - but I'm not sure how to enter
this in. I have tried
y~a+b
but this is not working. I have also tried saving the regression
results
Duncan:
Thanks for your response. I actually tried this as well. The error
message I get is objects of different length I thought I was chosign
the model incorrectly, perhaps this is something else?
-Jill
***
Jill L. Caviglia-Harris, Ph.D.
I've been trying to figure out how to prevent a column that is the result of
an aggregate function call so that I can use it in further calculations. For
example, I would like to aggregate the expf for the data.frame by sp
(character) and dbh (double d=rounded to integer) using the command:
st2
I don't know how to prevent aggregate from making factors of everything,
but the following shows how to cast them back into what you want:
DF1 - data.frame(a=1:9, b=rep(letters[1:3], 3), d=rep(1:3, each=3))
DF. - aggregate(DF1$a, by=list(b=DF1$b, d=DF1$d), FUN=sum)
sapply(DF., class)
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